Writer
David Schassler: Private Investigator and Writer
Every investigation guide on this site is written by the man who runs the cases.
David J. Schassler
Founder and Lead Investigator · NYS DOS License #11000169770
David started New York Intelligence Agency in 1989 and still signs the reports. He writes these posts from the cases his office handles at 555 Fifth Avenue in Manhattan, so the advice reflects what holds up with clients, attorneys and the courts. He is a New York Emmy® Award winner and is licensed, bonded and insured.
His own page has the full record. Read about David or visit New York Intelligence Agency.
What David Writes About
Posts by David (41)
- Hiring an Infidelity Private Investigator in New York
- How Often Should You Get a Bug Sweep?
- Are Private Investigators Legal in New York?
- Skip Tracing: How Investigators Find People Who Do Not Want to Be Found
- How to Check Out Someone You Met Online Before You Trust Them
- How Investigators Find Hidden Assets in a New York Divorce
- Elder Financial Abuse: The Warning Signs Families Miss
- How to Hire a Private Investigator in New York
- Cost of a Private Investigator in New York
- What a Polygraph Test Can and Can't Tell You
- How to Tell If Your Identity Has Been Stolen (and What to Do Next)
- What to Expect During a Private Surveillance Operation
- What Is Technical Surveillance Countermeasures and Why It Matters
- The Rise of Electronic Surveillance: How Debugging Services Protect Your Privacy
- Signs You're Being Watched or Eavesdropped On: What to Do Next
- Missing Persons Investigations: How Professionals Track Down the Lost
- How TSCM Experts Conduct a Bug Sweep: In New York City
- How to Detect Hidden Cameras and Listening Devices in Your Home or Office
- How Private Investigators Legally Collect Evidence in New York
- Business Espionage: Is Your Company at Risk of Bugging or Data Theft?
- Bugged Boardrooms and Tapped Phones: Real World Cases of Corporate Espionage
- Background Checks by Licensed Investigators vs. Online Services
- Top Reasons to Hire a Private Investigator in New York City
- Infidelity Investigations: How a Private Eye Can Uncover the Truth
- Corporate Investigations: Protecting Your Business from Internal Threats
- Child Custody Investigations in New York: What a PI Can Legally Do
- Workplace Injury Fraud: How Surveillance Protects Employers
- Vehicle Tracking and Surveillance for High Risk Cases
- The Role of Drones and Remote Cameras in Modern Surveillance
- Surveillance for Intellectual Property Theft Investigations
- Surveillance Evidence in Civil Court: What You Need to Know
- How Attorneys Use Surveillance Investigations to Win Cases
- Covert Surveillance Techniques: How Professionals Stay Undetected
- Cohabitation Surveillance in Alimony Disputes
- What Motivates People to Commit Financial Fraud
- Hiring a Private Detective for Your Divorce Case
- What to Do If You Suspect Your Spouse Is Cheating
- The Benefits of Pre-Employment Background Checks
- 5 Things to Consider Before Hiring a Private Investigator
- Benefits of Hiring a Private Investigator for Overseas Cases
- Voice Stress Analysis: How It Works and Where It Falls Short